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Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/pr48335-7.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/pr48335-7.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pr48335-7.c b/gcc-4.9/gcc/testsuite/gcc.dg/pr48335-7.c
new file mode 100644
index 000000000..ddb15ee6a
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/pr48335-7.c
@@ -0,0 +1,38 @@
+/* PR middle-end/48335 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fno-tree-sra" } */
+
+typedef short U __attribute__((may_alias, aligned (1)));
+
+struct S
+{
+ double d;
+};
+
+int
+f1 (struct S x)
+{
+ struct S s = x;
+ return ((U *)((char *) &s.d + 1))[0];
+}
+
+int
+f2 (struct S x)
+{
+ struct S s = x;
+ return ((U *)((char *) &s.d + 1))[1];
+}
+
+int
+f3 (struct S x)
+{
+ struct S s = x;
+ return ((U *)((char *) &s.d + 1))[2];
+}
+
+int
+f4 (struct S x)
+{
+ struct S s = x;
+ return ((U *)((char *) &s.d + 1))[3];
+}